Hard Facing Welding Electrodes New Generation Hard Facing Electrodes

TM
D & H INDIA LIMITED
Igniting Solutions
Formerly ‘D & H Welding Electrodes (India) Ltd’
Hard Facing
Welding Electrodes
New Generation Hard Facing Electrodes
with Reliable Weld Quality
Hard Facing Welding Electrodes
BRAND NAME
TYPICAL CHEMICAL COMPOSITION(%)
C
Mn
Si
Cr
DUROBUILD-A
0.18
0.76
0.42
2.00
DUROBUILD-B
0.20
0.70
0.40
DUROBUILD-B (LH)
0.22
0.85
DUROBUILD-C
0.50
DUROMANGAN
THERMOHARD
Ni
Mo
HARDNESS
V
DESCRIPTION
APPLICATIONS
W
250-300 BHN
Medium coated rutile type hard facing electrode. Weld deposit is an air hardening type carbon chromium alloy
which has high degree of toughness and excellent resistance to rolling and sliding friction and heavy impact,
weld metal is machinable.
Important applications are gear teeth, rail-ends and crossing, shaft, mill guide plates, pulley,
clutches, wheel, axles, couplings, sprockets, pinion etc.
3.25
340-400 BHN
Medium coated rutile type hard facing electrode depositing air hardening type carbon chromium alloy weld
metal. Weld deposit is machinable and resistant to moderate abrasion and heavy impact.
Ideal electrode for building up of worn out surfaces of tractor track-links, drive sprockets, tractor
wheels, steel mill rolls, crane wheel, brake shoes, shear blades, roll wobblers etc.
0.50
3.40
350-400 BHN
Medium heavy coated low hydrogen type electrode producing carbon chromium air hardening alloy weld
metal. Deposited metal is machinable and resistant to moderate abrasion and heavy impact.
Important applications are hard facing of mild steel and low alloy steel components, rollers, rail
ends and crossing, couplings, shear blades, shaft, axles, pulleys, gear brake shoes, cold
punching dies, conveyor parts etc.
0.70
0.70
7.00
500-600 BHN
Basic coated hard facing electrode, depositing hard and non machinable chromium - molybdenum. Vanadium
alloyed air hardening type weld deposit which has excellent resistance to severe abrasion and heavy impact.
Very useful in reclaiming costly worn out machine parts. Typical applications are churn drill bits,
dipper shovel & lips, cane cutting knives, crusher hammers, shear blades, drag line buckets
lips, crusher jaws etc.
0.80
14.50
0.50
Basic coated low hydrogen electrode producing 14% Mn Weld metal. The weld surface hardens readily by
impact and pressure.
Highly suitable for application involving heavy impact and abrasion, Typical applications are
crusher jaws and hammers, minerals grinder, mental, buckets teeth and lips, rail crossing,
manganese steel casting of all type.
2.50
1.40
0.50
-
0.80
0.50
As welded 200-250 BHN Work
hardens (under impact) to 500 BHN
2.80
500-600 BHN
Graphite based hard facing electrode with pleasing operating characteristics on AC as well as on
DC(+)welding current. Deposited metal is air hardening type carbon chromium alloy, which has excellent
resistance to heavy abrasion and moderate impact.
Important applications are oil expeller worms, excavator teeth, ploughshare, crusher cones and
jaws, scraper blades and various parts of conveyor.
52-6OHRC
Heavy coated electrode with easy performance characteristics on AC as well as on DC (+). The electrode
depositing hard chromium carbide rich weld metal, having exceptional resistance to heavy abrasion and
moderate impact even at temperature up to 500°C.
Useful on wide variety of applications to enhance resistance to Severe abrasion, corrosion and
oxidation. Important applications are rolling mill guides, cane cutting knives, pump casting and
Impellers, tractor grousers, drag line bucket lips, plough shares, coal crushing hammers etc.
Super heavy coated hard facing electrode designed to withstand severe abrasion and impact at elevated
temperature. The weld metal retains its hardness up to 550°C.
Ideally suited for applications where abrasion and high temperature corrosion condition exists
as in blast furnace bells and hoppers, steel mill equipments, foundry parts, furnace rollers, coal
handling equipments etc.
Medium coated rutile type hard facing electrode specially designed for hard facing applications involving
severe abrasion and moderate impact. Weld metal is carbon chromium air hardening alloy.
Important applications are ploughshares, excavator teeth, dredger bucket lips, conveyor bucket
and such other parts subjected to friction and abrasion.
60-61 HRC
Specially designed electrode for surfacing applications where resistance to corrosion, erosion, oxidation,
severe abrasion with mild impact specially at elevated temperature are important. The weld deposit retains
hardness upto 550°C and resists scaling up to 1000°C.
Ideally suited for tube mill and rolling mill guide, coke chutes, blast furnace bells & hoppers,
foundry parts, hot shears, sand blasting equipments, ceramic handling equipment, and in
mining agriculture and earth moving equipments.
As welded 200-250 BHN work
hardens (under impact) to 550 BHN
Heavy coated electrode, producing 16Cr - 4Mn weld deposit having excellent work hardenability along with
high corrosion resistance.
Ideally suited for surfacing applications involving severe impact combined with abrasion and
corrosion, it is also suited for buffer layer before putting final layer of air hardening weld metal.
Other applications are surfacing manganese steel rails, point and crossing mill hammer, muller
tyre, crusher hammer and jaws, mining equipments, dredging equipments etc.
As welded 200-250 BHN work
hardens (under impact) to 500 BHN
Heavy coated austenitic stainless steel electrode giving 19Cr- 9Ni - 5Mn weld deposit which work hardens
rapidly under impact and gives it needed abrasion resistance.
Ideally suited for buffer and build up layer for crusher hammers, crusher mantles and cones,
pulverize, plough and rolls, grousers, dipper teeth, clam shell bucket etc.
As welded 200 BHN work hardens
(under impact) to 500-550 BHN
Basic coated low hydrogen type austenitic stainless steel electrode yielding a weld deposit of 19Cr- 9Ni - 5Mn
which has excellent heat resistance properties up to 900°C and it work hardens rapidly under impact.
Ideally suited for joining Mn-Steel to mild steel, repairing cracks in Mn-steel casting, surfacing
Mn-steel rails, buffer layer on variety of steels and for producing crack free joint in difficult steel,
high alloy steel including armour plates etc.
As welded 50-60 HRC
Tempered 62-66 HRC
Annealed 25-30 HRC
Special purpose electrode for surfacing, overlay and hard facing of components made of high speed tool, tool
steel & other steels to prolong their service life. The deposit is non-machinable and can be dressed by
grinding.
Ideal for building up and surfacing worn cutting edges of lathe tools, milling cutter, twistdrill,
broaching tools, dies, and for general surfacing application that require extreme hardness. It
can be deposited straight on carbon steel as well as on high speed cutting steels exposed to
high working temperature.
54-58HRC
At 550°C 45-48 HRC
Basic coated low hydrogen type hard facing electrode. Specially designed for depositing alloy steel weld
metal, which can resist severe abrasion and impact at elevated temperature up to 700°C.
Electrode is highly suitable on wide variety of applications in steel plants such as blast furnace
bells and hoppers, tong pins roll etc.
THERMODUR-600
1.90
0.90
0.60
20.5
THERMODUR-600 (SPL)
3.00
1.00
1.00
29.00 4.00
SV-60
0.60
0.40
0.45
6.80
50-58 HRC
At 550°C 45-48 HRC
600-700 BHN
HARDCHROM
3.04
0.41
1.43
28.37
CROMAX
0.11
4.50
0.50
16.50
CRONIMANGAN
0.09
5.00
0.55
19.00 9.00
CRONIMANGAN-B
0.06
5.00
0.70
19.50 9.20
TOOL HARD
0.90
0.50
0.50
4.20
-
8.50
0.90
HF- 1600 SP
0.70
1.50
0.75
3.50
4.60
3.20
0.50
HF-BFBH
0.45
2.40
1.60
7.40
-
1.25
-
1.50
55-58 HRC
Basic coated hard facing electrode depositing highly alloyed weld metal, which has excellent resistance to
heavy impact and high temperature abrasion.
Exclusive electrode for hard facing of blast furnace bells and hoppers, hot shears, cutting
knives, dies, crusher jaws, valve seats, tong pins etc.
HF - 1440
0.16
16.0
0.90
15.20 2.50
0.50
0.20
-
As welded 200-220 BHN
After work hardening - 500 BHN
Basic coated electrode depositing tough and easy work hardening stable austenite weld metal having high
temperature abrasion and impact abrasion properties.
Highly suitable for welding 13% Mn steel, rail point and crossing, pipe subjected to high
temperature and high pressure, hard surfacing of hot shear, forging moulds, hot forging dies.
-
-
1.27
1.10
D & H INDIA LIMITED
Igniting Welding Quality, Enabling Higher Productivity
D & H India Limited offers a wide range of Welding Consumables for diverse applications in industries
like Steel, Shipbuilding, Petrochemical, Cement, Construction, Transport, Offshore, Energy, Repair &
Maintenance, to name a few. Our products include Manual Metal Arc Electrodes, Submerged Arc
Welding Fluxes & Wires, CO2 Welding Wires, Flux Cored Wires, Filler Wires and Metallurgical Cored
Wires.
The company's initiative on Total Quality Management has resulted in ISO 9001-2008 certifications
for both of its principal manufacturing facilities located at Indore and Ghatabilod.
Our modern manufacturing facility at Indore is equipped with the most sophisticated quality control
and R & D infrastructure. We developed
various special and ultra-special electrodes
to meet the ever increasing and
multifarious needs of our customers. Our
qualified and trained field force renders
expert technical service before, during and
after the sales.
With a wealth of experience and technical
know-how at our command, we even
undertake to provide solutions for various
welding related applications.
We are firmly committed to the welding
technology, quality and customer
satisfaction.
TM
D & H INDIA LIMITED
Igniting Solutions
Formerly ‘D & H Welding Electrodes (India) Ltd’
H. O. & Works: Plot ‘A’, Sector ‘A’, Industrial Area, Sanwer Road,
INDORE - 452 015 (M.P.) INDIA.
Ph.: +91 731 4273501 - 511 Fax: +91 731 2722447 / 4273500
Email: [email protected] Website: www.dnhindia.com
ISO 9001 : 2008
Reg. No.: R91/1287
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